CssDisableTransitionsTestHooks.php

<?php

declare (strict_types=1);
namespace Drupal\css_disable_transitions_test\Hook;

use Drupal\Core\Hook\Attribute\Hook;

/**
 * Hook implementations for css_disable_transitions_test.
 */
class CssDisableTransitionsTestHooks {
    
    /**
     * Implements hook_page_attachments().
     */
    public function pageAttachments(array &$attachments) {
        // Unconditionally attach an asset to the page.
        $attachments['#attached']['library'][] = 'css_disable_transitions_test/testing.css_disable_transitions_test';
    }

}